SOLUTION: The number of cartoons watched by Mrs Kelly's first grade class on Saturday morning is shown below x P(x) 0 0.15 1 0.20 2 0.30 3 0.10 4 0

Algebra ->  Probability-and-statistics -> SOLUTION: The number of cartoons watched by Mrs Kelly's first grade class on Saturday morning is shown below x P(x) 0 0.15 1 0.20 2 0.30 3 0.10 4 0      Log On


   

Question 403367: The number of cartoons watched by Mrs Kelly's first grade class on Saturday morning is shown below
x P(x)
0 0.15
1 0.20
2 0.30
3 0.10
4 0.20
5 0.05
What is the mean distribution




Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Mean = Sum of products between corresponding x and P(x) values

Mean = 0*0.15 + 1*0.20 + 3*0.10 + 4*0.20 + 5*0.05


Mean = 0 + 0.20 + 0.30 + 0.80 + 0.25


Mean = 1.55


So the mean is 1.55


Remember that the mean is NOT a probability since it corresponds to the average x value.